51991600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6841}}^1$

素因数の和:6878

約数の個数: 60

約数和(自身を含む): 131503240

約数和(自身を除く): 79511640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 6841, 7600, 13682, 27364, 34205, 54728, 68410, 109456, 129979, 136820, 171025, 259958, 273640, 342050, 519916, 547280, 649895, 684100, 1039832, 1299790, 1368200, 2079664, 2599580, 2736400, 3249475, 5199160, 6498950, 10398320, 12997900, 25995800, 51991600]

約数ペア:

[(1, 51991600), (2, 25995800), (4, 12997900), (5, 10398320), (8, 6498950), (10, 5199160), (16, 3249475), (19, 2736400), (20, 2599580), (25, 2079664), (38, 1368200), (40, 1299790), (50, 1039832), (76, 684100), (80, 649895), (95, 547280), (100, 519916), (152, 342050), (190, 273640), (200, 259958), (304, 171025), (380, 136820), (400, 129979), (475, 109456), (760, 68410), (950, 54728), (1520, 34205), (1900, 27364), (3800, 13682), (6841, 7600)]